HD 200375
Appearance
Observation data Epoch J2000 Equinox J2000 | |
---|---|
Constellation | Aquarius |
Right ascension | 21h 03m 03.02378s[1] |
Declination | +01° 31′ 55.4137″[1] |
Apparent magnitude (V) | 6.23[2] |
Characteristics | |
Spectral type | F5V |
U−B color index | −0.01[2] |
B−V color index | +0.47[2] |
Astrometry | |
Radial velocity (Rv) | 8.77±0.34[3] km/s |
Proper motion (μ) | RA: -110.79[1] mas/yr Dec.: -53.84[1] mas/yr |
Parallax (π) | 14.12 ± 0.64 mas[1] |
Distance | 230 ± 10 ly (71 ± 3 pc) |
Absolute magnitude (MV) | 1.98[4] |
Details | |
Temperature | 6,368[4] K |
Metallicity [Fe/H] | −0.01[4] dex |
Age | 1.5[4] Gyr |
Other designations | |
Database references | |
SIMBAD | data |
Database references | |
SIMBAD | data |
Data sources: | |
Hipparcos Catalogue, CCDM (2002), Bright Star Catalogue (5th rev. ed.) |
HD 200375 is a binary star[4] system in the equatorial constellation of Aquarius. Their orbit does not yet have a unique solution available.[5][6]
References
- ^ a b c d e van Leeuwen, F. (2007), "Validation of the new Hipparcos reduction", Astronomy and Astrophysics, 474 (2): 653–664, arXiv:0708.1752, Bibcode:2007A&A...474..653V, doi:10.1051/0004-6361:20078357
- ^ a b c Mermilliod, J.-C. (1986), "Compilation of Eggen's UBV data, transformed to UBV (unpublished)", Catalogue of Eggen's UBV Data. SIMBAD, Bibcode:1986EgUBV........0M
- ^ Tokovinin, A. A.; Smekhov, M. G. (January 2002), "Statistics of spectroscopic sub-systems in visual multiple stars" (PDF), Astronomy and Astrophysics, 382: 118–123, Bibcode:2002A&A...382..118T, doi:10.1051/0004-6361:20011586
- ^ a b c d e Holmberg, J.; Nordström, B.; Andersen, J. (July 2009), "The Geneva-Copenhagen survey of the solar neighbourhood. III. Improved distances, ages, and kinematics", Astronomy and Astrophysics, 501 (3): 941–947, arXiv:0811.3982, Bibcode:2009A&A...501..941H, doi:10.1051/0004-6361/200811191
- ^ Olevic, D.; Jovanovic, P. (2001), "New Orbital Elements for 5 Double Stars", Serbian Astronomical Journal, 164: 7, Bibcode:2001SerAJ.164....7O
- ^ Malkov, O. Yu.; et al. (2012), "Dynamical Masses of a Selected Sample of Orbital Binaries", Astronomy & Astrophysics, 546: 5, Bibcode:2012A&A...546A..69M, doi:10.1051/0004-6361/201219774, A69
External links